Finding the Fourth Proportional to 3,599,709.68, 4,967,646.47 and 1,968,118.94
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Solution
The fourth proportional to 3,599,709.68, 4,967,646.47 and 1,968,118.94 is: 2,716,029.89
Step by Step Solution
- Step 1: Write the proportion equation
3,599,709.68 : 4,967,646.47 = 1,968,118.94 : x - Step 2: Convert to fraction form
3,599,709.68/4,967,646.47 = 1,968,118.94/x - Step 3: Cross multiply
3,599,709.68x = 4,967,646.47 × 1,968,118.94 - Step 4: Simplify right side
3,599,709.68x = 9,776,919,084,913.21 - Step 5: Solve for x
x = 9,776,919,084,913.21/3,599,709.68 - Step 6: Final answer
x = 2,716,029.89
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.